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# vim:set et ts=4 sts=4:
# -*- coding: utf-8 -*-
#
# ibus-libpinyin - Intelligent Pinyin engine based on libpinyin for IBus
#
# Copyright (c) 2014 Peng Wu <alexepico@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
__all__ = (
"ShortcutEditor",
"ShortcutEditorDialog"
)
import gettext
from gi.repository import GObject
from gi.repository import Gdk
from gi.repository import Gtk
from keyboardshortcut import KeyboardShortcutSelectionDialog
gettext.install('ibus-libpinyin')
(
COLUMN_DESCRIPTION,
COLUMN_CONFIG_KEYNAME,
COLUMN_ACCELERATOR,
) = range(3)
# The default shortcut value is stored here.
accelerators = \
(
(_("Switch Chinese/English"), "MainSwitch" , "<Shift>"),
(_("Full/Half Width Letter"), "LetterSwitch", ""),
(_("Full/Half Width Punct"), "PunctSwitch", "<Control>period"),
(_("Switch Traditional/Simplfied Chinese"), "TradSwitch", "<Control><Shift>f")
)
class ShortcutTreeView(Gtk.TreeView):
def __init__(self, editor):
super(ShortcutTreeView, self).__init__()
self.set_headers_visible(True)
self.__model = self.__create_model()
self.set_model(self.__model)
self.__add_columns()
self.__editor = editor
def __create_model(self):
model = Gtk.ListStore(str, str, str)
for label, keyname, defvalue in accelerators:
iter = model.append()
# (accel_key, accel_mods) = Gtk.accelerator_parse(accel_str)
model.set(iter,
COLUMN_DESCRIPTION, label,
COLUMN_CONFIG_KEYNAME, keyname,
COLUMN_ACCELERATOR, defvalue,
)
return model
def __add_columns(self):
# column for description
renderer = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(_('Description'), renderer, text=COLUMN_DESCRIPTION)
self.append_column(column)
# column for accelerator
renderer = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(_('Accelerator'), renderer, text=COLUMN_ACCELERATOR)
self.append_column(column)
def set_shortcut_value(self, key, value):
# just clean shortcut
if value == "":
for row in self.__model:
if row[COLUMN_CONFIG_KEYNAME] == key:
row[COLUMN_ACCELERATOR] = value
return True
# check duplicate shortcut
for row in self.__model:
if row[COLUMN_CONFIG_KEYNAME] == key:
continue
if row[COLUMN_ACCELERATOR] == value:
dialog = Gtk.MessageDialog(None, 0, Gtk.MessageType.WARNING,
Gtk.ButtonsType.OK,
_("This shortcut key is already used."))
dialog.run()
dialog.destroy()
return False
# store the shortcut
for row in self.__model:
if row[COLUMN_CONFIG_KEYNAME] == key:
row[COLUMN_ACCELERATOR] = value
return True
def set_default_shortcut(self):
selection = self.get_selection()
(model, iterator) = selection.get_selected()
if not iterator:
return
key = model[iterator][COLUMN_CONFIG_KEYNAME]
for label, keyname, defvalue in accelerators:
if key == keyname:
if self.set_shortcut_value(key, defvalue):
self.__editor.emit_shortcut_changed(key, defvalue)
def set_shortcut(self, value=""):
selection = self.get_selection()
(model, iterator) = selection.get_selected()
if not iterator:
return
key = model[iterator][COLUMN_CONFIG_KEYNAME]
if self.set_shortcut_value(key, value):
self.__editor.emit_shortcut_changed(key, value)
class ShortcutEditor(Gtk.Box):
__gtype_name__ = 'ShortcutEditor'
__gsignals__ = {
'shortcut-changed': (GObject.SIGNAL_RUN_FIRST, None,
(str, str, ))
}
def __init__(self):
super(ShortcutEditor, self).__init__(
orientation=Gtk.Orientation.VERTICAL)
self.__init_ui()
def __init_ui(self):
# shortcut tree view
self.__shortcut_treeview = ShortcutTreeView(self)
self.__shortcut_treeview.connect("cursor-changed", self.__shortcut_treeview_cursor_changed_cb)
self.pack_start(self.__shortcut_treeview, False, True, 4)
# buttons
hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
# set default button
self.__set_default_button = Gtk.Button(label = _("_Default"),
use_underline = True)
self.__set_default_button.connect("clicked", self.__set_default_button_clicked_cb)
hbox.pack_start(self.__set_default_button, False, True, 0)
# edit button
self.__edit_button = Gtk.Button(label= _("_Edit"),
use_underline = True)
self.__edit_button.connect("clicked", self.__edit_button_clicked_cb)
hbox.pack_start(self.__edit_button, False, True, 0)
self.pack_start(hbox, False, True, 4)
# select the first row
selection = self.__shortcut_treeview.get_selection()
selection.set_mode(Gtk.SelectionMode.SINGLE)
selection.select_path(Gtk.TreePath(0))
self.show_all()
def __shortcut_treeview_cursor_changed_cb(self, treeview):
selection = treeview.get_selection()
(model, iterator) = selection.get_selected()
if iterator:
self.__set_default_button.set_sensitive(True)
self.__edit_button.set_sensitive(True)
else:
self.__set_default_button.set_sensitive(False)
self.__edit_button.set_sensitive(False)
def __set_default_button_clicked_cb(self, button):
self.__shortcut_treeview.set_default_shortcut()
def __edit_button_clicked_cb(self, button):
dlg = KeyboardShortcutSelectionDialog(title = _("Select Switching Key"))
buttons = (_("_Cancel"), Gtk.ResponseType.CANCEL,
_("_OK"), Gtk.ResponseType.OK)
dlg.add_buttons(*buttons)
selection = self.__shortcut_treeview.get_selection()
(model, iterator) = selection.get_selected()
if iterator:
dlg.set_shortcut(model[iterator][COLUMN_ACCELERATOR])
response = dlg.run()
dlg.destroy()
if response == Gtk.ResponseType.CANCEL:
return
self.__shortcut_treeview.set_shortcut(dlg.get_shortcut())
def emit_shortcut_changed(self, key, value):
self.emit("shortcut-changed", key, value)
def update_shortcuts(self, values):
for label, keyname, defvalue in accelerators:
value = values[keyname] if keyname in values else defvalue
self.__shortcut_treeview.set_shortcut_value(keyname, value)
# store the default value
self.emit_shortcut_changed(keyname, value)
class ShortcutEditorDialog(Gtk.Dialog):
def __init__(self, title = None, transient_for = None, flags = 0):
super(ShortcutEditorDialog, self).__init__(
title = title, transient_for = transient_for, flags = flags)
self.__shortcut_editor = ShortcutEditor()
self.vbox.pack_start(self.__shortcut_editor, False, True, 0)
self.vbox.show_all()
if __name__ == "__main__":
dlg = ShortcutEditorDialog(title = "Shortcut Editor test")
buttons = (_("_Cancel"), Gtk.ResponseType.CANCEL,
_("_OK"), Gtk.ResponseType.OK)
dlg.add_buttons(*buttons)
print((dlg.run()))
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